CN215406096U

CN215406096U - Supporting structure with matched smooth piles and T-shaped piles

Info

Publication number: CN215406096U
Application number: CN202121522063.5U
Authority: CN
Inventors: 郑利祥; 张武; 邬志浩
Original assignee: Guangdong Zhuogong Building Materials Technology Co ltd
Current assignee: Guangdong Zhuogong Building Materials Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-04
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a supporting structure which is matched with parallel piles and diced piles, which is characterized in that the supporting structure comprises a plurality of parallel piles and a plurality of diced piles, a plurality of parallel piles and a plurality of diced piles are arranged at intervals, and the diced piles adopt It is an I-shaped pile, and the vertical arms of the d-pillars are arranged in parallel; the two sides of the parallel piles are respectively embedded in the two grooves of the adjacent d-pillars, and are respectively in contact with the opposite surfaces of the vertical arms of the adjacent d-pillars. The utility model has a simple structure, and can replace circular supporting piles and various types of steel sheet piles; the utility model adopts prefabricated I-shaped piles for construction, the quality of the I-shaped piles is reliable and guaranteed, the construction period is saved, and the production efficiency is high. Moreover, the foundation pit support construction is very convenient, raw materials can be saved, and the component-based production reduces the environmental pollution during the support construction.

Description

Supporting structure with matched smooth piles and T-shaped piles

Technical Field

The utility model belongs to the technical field of foundation pit supporting equipment, and particularly relates to a supporting structure with matched straight piles and T-shaped piles.

Background

The existing deep foundation pit support is mostly supported by adopting a mode of pouring slope protection piles and underground diaphragm walls, all the modes are that reinforcing cages are processed on site, and then the slope protection piles and the underground diaphragm walls are poured on site. The existing deep foundation pit support can also adopt a steel sheet pile inserting mode to carry out support, such as inserting SMW, Larsen steel sheet piles and the like, but the steel piles have small rigidity and large deformation in the excavation process of the foundation pit, and the construction quality of the foundation pit is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the support with the matched smooth piles and the T-shaped piles, which has the advantages of simple structure, low cost, convenient construction operation of foundation pit support construction, small environmental pollution during support construction, construction efficiency improvement and foundation pit construction quality guarantee.

The technical scheme adopted by the utility model is as follows: a supporting structure with matched cis-piles and T-piles comprises a plurality of cis-piles and a plurality of T-piles, wherein the cis-piles and the T-piles are arranged at intervals, the T-piles are H-shaped piles, and vertical arms of the T-piles are arranged in parallel; two side surfaces of the following piles are respectively embedded in the two grooves of the adjacent T-shaped piles and are respectively contacted with the surfaces opposite to the vertical arms of the adjacent T-shaped piles.

In the supporting structure with the matched cis-shaped piles and T-shaped piles, the cis-shaped piles are H-shaped piles, and vertical arms of the cis-shaped piles are perpendicular to vertical arms of the T-shaped piles; the two cross arms of the following pile are respectively embedded in the two grooves of the adjacent T-shaped piles, and the side surfaces of the two cross arms of the following pile, which are opposite to each other, are respectively contacted with the surfaces, opposite to the vertical arms, of the two adjacent T-shaped piles.

In the supporting structure matched with the cis-shaped piles and the T-shaped piles, the cis-shaped piles are hollow piles with polygonal sections.

In the supporting structure with the matched cis-shaped piles and the cis-shaped piles, the cis-shaped piles and the cis-shaped piles respectively comprise I-shaped concrete pile bodies and reinforcement cages arranged in the concrete pile bodies; the concrete pile body is made of concrete, and the strength grade of the concrete is C60.

In the supporting structure matched with the cis-arranged piles and the T-shaped piles, the length of the T-shaped piles is 9000-18000 mm, the length of the cis-arranged piles is 3000-9000 mm, and the cis-arranged piles penetrate into the bottom surface of the foundation pit by 1 m.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure, and can replace circular support piles and various types of steel sheet piles; the utility model adopts the prefabricated I-shaped pile for construction, the quality of the I-shaped pile is reliable and guaranteed, the construction period is saved, the production efficiency is high, the foundation pit supporting construction is very convenient, the raw materials can be saved, and the environmental pollution during the supporting construction is reduced by means of component production.

Drawings

FIG. 1 is a structural view of embodiment 1 of the present invention.

Fig. 2 is a structural view of embodiment 2 of the present invention.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1, the utility model comprises a plurality of T-shaped piles 1 and a plurality of cis-shaped piles 2, wherein the T-shaped piles 1 and the cis-shaped piles 2 are alternately arranged; the vertical arms of the T-shaped piles 1 are arranged in parallel, the vertical arm of the following pile 2 is perpendicular to the vertical arm of the T-shaped pile 1, two cross arms of the following pile 2 are embedded in the grooves corresponding to the two adjacent T-shaped piles 1 respectively, and the side faces, opposite to each other, of the cross arms of the following pile 2 are tightly attached to the faces, opposite to the vertical arms, of the two adjacent T-shaped piles 1 respectively. The T-shaped pile 1 and the straight pile 2 both comprise I-shaped concrete pile bodies and reinforcement cages arranged in the concrete pile bodies; the concrete pile body is made of concrete, and the strength grade of the concrete is C60.

The utility model adopts a supporting structure with alternately arranged along-pile and butyl piles, and aims to replace the existing section steel supporting pile and part of circular slope protection piles with smaller diameters, the size of the prefabricated along-pile 2 is 120-60mm (the first number represents the height of a cross section, the second number represents the width of the cross section, the third number represents the thickness of a cross section web, and the fourth number represents the thickness of a flange), 800-480 mm or 1000-600-200-mm-wall-1 is 9000-18000 mm, the along-pile 2 is 3000-pile 2 is 1m, and the soil-wall-bottom-wall.

Example 2

As shown in fig. 2, the utility model comprises a plurality of T-shaped piles 1 and a plurality of cis-shaped piles 2, wherein the T-shaped piles 1 are I-shaped piles, and the cis-shaped piles 2 are hollow piles with 12-edge interfaces. The T-shaped piles 1 and the cis-shaped piles 2 are alternately arranged, and vertical arms of the T-shaped piles 1 are arranged in parallel. Two side surfaces of the following piles 2 are respectively embedded in the two grooves of the adjacent T-shaped piles 1 and are respectively contacted with the opposite surfaces of the vertical arms of the adjacent T-shaped piles 1. The T-shaped piles 1 respectively comprise I-shaped concrete pile bodies and reinforcement cages arranged in the concrete pile bodies; the concrete pile body is made of concrete, and the strength grade of the concrete is C60. The cis-pile 2 comprises a concrete pile body and a reinforcement cage arranged in the concrete pile body, the concrete pile body is made of concrete, and the strength grade of the concrete is C60. The length of the T-shaped pile 1 is 9000-18000 mm, the length of the T-shaped pile 2 is 3000-9000 mm, the T-shaped pile 2 stretches into 1m of the bottom surface of the foundation pit, and the soil retaining condition is met.

According to the geological conditions and the design conditions of the foundation pit, the section sizes and the reinforcement arrangement conditions of the T-shaped piles 1 and the cis-shaped piles 2 are selected through calculation and comparison in multiple aspects such as flexural rigidity, area and weight. The T-shaped piles 1 and the cis-shaped piles 2 are produced in prefabricated part factories, the quality is guaranteed, the produced environmental pollution is less, after the T-shaped piles are produced and reach the standard strength, the T-shaped piles are firstly qualified and then transported to construction sites in batches after being qualified, and the construction on the site is carried out. During site construction, soil can be stirred by using stirring pile equipment (such as a triaxial stirring pile and TRD equipment), and the stirring pile is used as a hole site of a precast pile and also used as a waterproof curtain. During on-site construction, a static pressure machine and a hammering machine are used for constructing the T-shaped piles 1 and the cis-shaped piles 2, and soil squeezing effect is noticed during construction. The construction must be accurately positioned.

The web top of being connected with equipment during the construction adopts the steel sheet protection, avoids being pressed from both sides bad sheet pile by anchor clamps, with steel sheet protection web top back, with anchor clamps clip the steel sheet, carry out vertical butyl stake 1 of inserting and in the same direction as stake 2, guarantee butyl stake 1 and in the same direction as the vertical degree of stake 2, avoid producing extra moment of flexure until inserting the design elevation. And constructing a cis pile 2 and then constructing a T pile 1, so that the cis pile and the T pile form a whole with high bending rigidity, and the like, and performing the next working procedure cycle. And after the slope protection pile is constructed, performing crown beam construction, wherein the crown beam construction adopts a currently common method, and after the crown beam construction is finished, excavating soil inside a foundation pit, and constructing by adopting an inner support, an anchor rod, a cantilever and the like.

Claims

1. the supporting structure that a parallel pile and a small pile cooperate, it is characterized in that: comprise a plurality of parallel piles and a plurality of small piles, a plurality of parallel piles and a plurality of small piles are arranged at intervals, and what the small piles adopt is an I-shaped The vertical arms of the dicing piles are arranged in parallel; the two sides of the piling piles are respectively embedded in the two grooves of the adjacent dicing piles, and are respectively in contact with the opposite surfaces of the vertical arms of the adjacent dicing piles.

2. the supporting structure of the alignment pile according to claim 1 and the d-pillar cooperation, it is characterized in that: what the described aligning pile adopts is an I-shaped pile, and the vertical arm of the aligning pile is set perpendicular to the vertical arm of the d-pillar; The two transverse arms of the parallel piles are respectively embedded in the two grooves of the adjacent small piles, and the opposite sides of the two transverse arms of the parallel piles are respectively in contact with the opposite surfaces of the vertical arms of the adjacent two small piles.

3 . The supporting structure of claim 1 , wherein the parallel pile is a hollow pile with a polygonal cross section. 4 .

4. the supporting structure that the parallel piles and the diced piles cooperate according to claim 2, it is characterized in that: the diced piles and the diced piles all comprise the I-shaped concrete pile body and the reinforcement cage that is arranged in the concrete pile body; The concrete pile body adopts concrete The concrete has a strength class of C60.

5. The supporting structure of the parallel pile and the diced pile according to claim 1, is characterized in that: the length of the diced pile is 9000~18000mm, the length of the lined pile is 3000~9000mm, and the parallel pile is 1m deep into the bottom surface of the foundation pit.